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Finding the Fourth Proportional to 27,323.87, 40,990.12 and 9,559.49

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Solution

The fourth proportional to 27,323.87, 40,990.12 and 9,559.49 is: 14,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.87 : 40,990.12 = 9,559.49 : x
  2. Step 2: Convert to fraction form
    27,323.87/40,990.12 = 9,559.49/x
  3. Step 3: Cross multiply
    27,323.87x = 40,990.12 × 9,559.49
  4. Step 4: Simplify right side
    27,323.87x = 391,844,413.39
  5. Step 5: Solve for x
    x = 391,844,413.39/27,323.87
  6. Step 6: Final answer
    x = 14,340.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.